diff options
Diffstat (limited to 'passes/sat')
-rw-r--r-- | passes/sat/sat.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/passes/sat/sat.cc b/passes/sat/sat.cc index 430bba1e8..436ac1b01 100644 --- a/passes/sat/sat.cc +++ b/passes/sat/sat.cc @@ -269,7 +269,8 @@ struct SatHelper for (int i = 0; i < lhs.size(); i++) { RTLIL::SigSpec bit = lhs.extract(i, 1); if (rhs[i] == State::Sx || !satgen.initial_state.check_all(bit)) { - removed_bits.append(bit); + if (rhs[i] != State::Sx) + removed_bits.append(bit); lhs.remove(i, 1); rhs.remove(i, 1); i--; |